Upper Control Arm Replacement AWD
Tools Required
J 36607 Ball Joint Separator
Removal Procedure
- Raise the vehicle. Refer to
Lifting and Jacking the Vehicle
in General Information.
- Support the lower control arm with safety stands.
- Remove the tire and wheel. Refer to
Tire and Wheel Removal and Installation
in Tires and Wheels.
- Remove the brake hose bracket retaining
nut and bolt.
- Remove the speed sensor bracket retaining
nut and bolt.
- Remove the upper ball joint cotter pin and retaining nut.
- Install the J 36607
to the upper ball joint and steering knuckle.
- Disconnect the upper ball joint from the steering knuckle using J 36607
.
- Remove the upper control arm nuts, the
cams, and the mounting bolts.
- Remove the upper control arm.
Installation Procedure
- Install the upper control arm to the frame.
- Install the upper control arm mounting bolts and the cams.
• | Make sure the bolt heads are opposed inside the bracket. |
• | The cam lobes must point down. |
Notice: Use the correct fastener in the correct location. Replacement fasteners
must be the correct part number for that application. Fasteners requiring
replacement or fasteners requiring the use of thread locking compound or sealant
are identified in the service procedure. Do not use paints, lubricants, or
corrosion inhibitors on fasteners or fastener joint surfaces unless specified.
These coatings affect fastener torque and joint clamping force and may damage
the fastener. Use the correct tightening sequence and specifications when
installing fasteners in order to avoid damage to parts and systems.
Important: Tighten the nuts with the control arm at Z height. Refer to
Trim Height Inspection
in Suspension General Diagnosis.
- Install the new upper control arm nuts.
Tighten
• | Tighten the front nut first, then the rear nut. |
• | Tighten the upper control arm cam hardware nuts to 140 N·m
(103 lb ft). |
- Connect the upper ball joint stud to the steering knuckle.
- Install the upper ball joint retaining nut.
Tighten
Tighten the upper ball joint retaining nut to 98 N·m (72 lb ft).
- Install a new cotter pin. Tighten the nut up to an additional 1/6
amount in order to insert the cotter pin through the upper ball joint stud.
Bend the cotter pin ends flat against the nut.
- Install the brake hose bracket retaining
nut and bolt.
Tighten
Tighten the brake hose bracket retaining nut to 16 N·m (12 lb ft).
- Install the speed sensor bracket retaining
nut and bolt.
Tighten
Tighten the speed sensor bracket retaining nut to 16 N·m (12 lb ft).
- Install the tire and wheel. Refer to
Tire and Wheel Removal and Installation
in Tires and Wheels.
- Remove the safety stand from the lower control arm.
- Lower the vehicle.
- Check the front wheel alignment. Refer to
Wheel Alignment Measurement
in Wheel Alignment.
Upper Control Arm Replacement RWD
Tools Required
J 23742 Ball Joint Separator
Removal Procedure
- Raise the vehicle. Refer to
Lifting and Jacking the Vehicle
in General Information.
Caution: Floor jack must remain under the lower control arm during
removal and installation to retain the lower control arm in position. Failure
to do so could result in personal injury.
- Support the lower control arm with safety stands.
- Remove the tire and wheel. Refer to
Tire and Wheel Removal and Installation
in Tires and Wheels.
- Remove the wheel speed sensor harness bracket retaining bolt and nut.
- Remove the upper control arm cotter pin
and the retaining.
- Disconnect the steering knuckle from the
upper ball joint using J 23742
.
- Remove the upper control arm from the steering knuckle.
- Support the steering knuckle in order to prevent the knuckle weight from
damaging the brake hose.
Important: Note the location of the alignment shims. Replace the shims in the same location
from which these were removed.
- Remove the upper control arm mounting nuts and the shims.
- Remove the upper control arm mounting bolts. Lift the upper control arm
in order to gain access to the bolts.
- Remove the upper control arm.
Installation Procedure
- Install the upper control arm to the frame.
Line up the holes in the shaft with the holes in the frame.
Notice: Use the correct fastener in the correct location. Replacement fasteners
must be the correct part number for that application. Fasteners requiring
replacement or fasteners requiring the use of thread locking compound or sealant
are identified in the service procedure. Do not use paints, lubricants, or
corrosion inhibitors on fasteners or fastener joint surfaces unless specified.
These coatings affect fastener torque and joint clamping force and may damage
the fastener. Use the correct tightening sequence and specifications when
installing fasteners in order to avoid damage to parts and systems.
Important: Mount the shims exactly as they were when removed.
- Install the upper control arm shims, the mounting bolts, and the mounting nuts.
Lift the upper control in order to gain access.
Tighten
- Tighten the upper control arm mounting nut on the thinner shim pack first.
- Tighten the upper control arm mounting nuts to 110 N·m (81 lb ft).
- Connect the upper ball joint to the steering
knuckle. Make sure the ball joint is fully seated into the steering knuckle.
- Install the upper control arm retaining nut.
Tighten
Tighten the upper control arm retaining nut to 83 N·m (61 lb ft).
- Install a new cotter pin. Tighten the nut up to an additional 1/6
amount in order to insert the cotter pin through the upper ball joint stud. Bend
the cotter pin ends flat against the nut.
- Install the wheel speed sensor harness bracket retaining nut and bolt.
Tighten
Tighten the wheel speed sensor harness bracket retaining nut to 16 N·m
(12 lb ft).
- Install the tire and wheel. Refer to
Tire and Wheel Removal and Installation
in Tires and Wheels.
- Remove the safety stand from the lower control arm.
- Lower the vehicle.
- Check the front wheel alignment. Refer to
Wheel Alignment Measurement
in Suspension General Diagnosis.